Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 034ef7f4 authored by Michael Adisumarta's avatar Michael Adisumarta
Browse files

msm: ipa3: Enable HOLB on MHIP RMNET before stopping USB 



Enable HOLB to drop packets on MHIP RMNET CONS before
stopping USB PROD and disabling it back during USB PROD
start channel.

Change-Id: I521826cea9dcb0c9ca884e9e075ea62bca0f16b3
Acked-by: default avatarSuhas Mallesh <smallesh@qti.qualcomm.com>
Signed-off-by: default avatarMichael Adisumarta <madisuma@codeaurora.org>
parent 10da9faf

drivers/platform/msm/ipa/ipa_v3/ipa_client.c

+19 −0
Original line number Diff line number Diff line
@@ -1629,6 +1629,8 @@ int ipa3_start_gsi_channel(u32 clnt_hdl) 
	int result = -EFAULT;

	enum gsi_status gsi_res;

	enum ipa_client_type client_type;

	struct ipa_ep_cfg_holb holb_cfg;

	int res = 0;



	IPADBG("entry\n");

	if (clnt_hdl >= ipa3_ctx->ipa_num_pipes  ||
@@ -1639,6 +1641,23 @@ int ipa3_start_gsi_channel(u32 clnt_hdl) 


	ep = &ipa3_ctx->ep[clnt_hdl];

	client_type = ipa3_get_client_mapping(clnt_hdl);

	/* Disable HOLB on MHIP RMNET CONS before starting

	 * USB PROD pipe

	 */

	if (ipa3_is_mhip_offload_enabled() &&

		client_type == IPA_CLIENT_USB_PROD) {

		memset(&holb_cfg, 0, sizeof(struct ipa_ep_cfg_holb));

		holb_cfg.en = IPA_HOLB_TMR_DIS;

		holb_cfg.tmr_val = 0;

		IPADBG("Disabling HOLB on RMNET CONS pipe");

		res = ipa3_cfg_ep_holb(ipa3_get_ep_mapping(

				IPA_CLIENT_MHI_PRIME_RMNET_CONS), &holb_cfg);

		if (res) {

			IPAERR("Disable HOLB failed ep:%lu\n",

				ipa3_get_ep_mapping(

					IPA_CLIENT_MHI_PRIME_RMNET_CONS));

		}

	}

	if (!ep->keep_ipa_awake)

		IPA_ACTIVE_CLIENTS_INC_EP(client_type);

drivers/platform/msm/ipa/ipa_v3/ipa_utils.c

+19 −0
Original line number Diff line number Diff line
@@ -7608,6 +7608,7 @@ static int __ipa3_stop_gsi_channel(u32 clnt_hdl) 
	struct ipa3_ep_context *ep;

	enum ipa_client_type client_type;

	struct IpaHwOffloadStatsAllocCmdData_t *gsi_info;

	struct ipa_ep_cfg_holb holb_cfg;



	if (clnt_hdl >= ipa3_ctx->ipa_num_pipes ||

		ipa3_ctx->ep[clnt_hdl].valid == 0) {
@@ -7665,6 +7666,24 @@ static int __ipa3_stop_gsi_channel(u32 clnt_hdl) 
		}

	}



	/* Enable HOLB on MHIP RMNET CONS before stopping

	 * USB PROD pipe

	 */

	if (ipa3_is_mhip_offload_enabled() &&

		client_type == IPA_CLIENT_USB_PROD) {

		memset(&holb_cfg, 0, sizeof(struct ipa_ep_cfg_holb));

		holb_cfg.en = IPA_HOLB_TMR_EN;

		holb_cfg.tmr_val = 0;

		IPADBG("Enabling HOLB on RMNET CONS pipe");

		res = ipa3_cfg_ep_holb(ipa3_get_ep_mapping(

				IPA_CLIENT_MHI_PRIME_RMNET_CONS), &holb_cfg);

		if (res) {

			IPAERR("Enable HOLB failed ep:%lu\n",

				ipa3_get_ep_mapping(

					IPA_CLIENT_MHI_PRIME_RMNET_CONS));

		}

	}



	/*

	 * Apply the GSI stop retry logic if GSI returns err code to retry.

	 * Apply the retry logic for ipa_client_prod as well as ipa_client_cons.